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 hair and grey eyes, while she was darker than any brunette whom I have seen in England—slim, elegant, and tall. She had a proud, finely cut face, so regular that it might have seemed impassive were it not for the sensitive mouth and the beautiful dark, eager eyes. With her perfect figure and elegant dress she was, indeed, a strange apparition upon a lonely moorland path. Her eyes were on her brother as I turned, and then she quickened her pace towards me. I had raised my hat, and was about to make some explanatory remark, when her own words turned all my thoughts into a new channel.

“Go back!” she said. “Go straight back to London, instantly.”

I could only stare at her in stupid surprise. Her eyes blazed at me, and she tapped the ground impatiently with her foot.

“Why should I go back?” I asked.

“I cannot explain.” She spoke in a low, eager voice, with a curious lisp in her utterance. “But for God’s sake do what